<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
    <style>
      .he {
        width: 500px;
        height: 200px;
      }
    </style>
  </head>
  <body>
    <!-- 第二步 设置一个带有宽高的盒子 -->
    <div class="he"></div>
    <!-- 第一步 引入js文件 -->
    <script src="../assets/lib/echarts/echarts.min.js"></script>
    <!-- 第三步 设置 -->
    <script src="../assets/lib/echarts/china.js"></script>
    <script>
      // 基于准备好的dom，初始化echarts实例
      const myChart = echarts.init(document.querySelector(".he"));

      // 指定图表的配置项和数据
      const option = {
        series: [
          {
            name: "Nightingale Chart",
            type: "pie",
            radius: [10, 150],
            center: ["50%", "50%"],
            roseType: "area",
            itemStyle: {
              borderRadius: 8,
            },
            data: [
              { value: 40, name: "rose 1" },
              { value: 38, name: "rose 2" },
              { value: 32, name: "rose 3" },
              { value: 30, name: "rose 4" },
              { value: 28, name: "rose 5" },
              { value: 26, name: "rose 6" },
              { value: 22, name: "rose 7" },
              { value: 18, name: "rose 8" },
            ],
          },
        ],
      };

      // 使用刚指定的配置项和数据显示图表。
      myChart.setOption(option);
    </script>
  </body>
</html>
